As soon as Liferay DXP is installed, you have all the tools you need to build sites and create content. This means you can start right away! The first thing to learn is the tool into which your creative juices flow: Liferay DXP’s content editor.
To do this, you’ll first create a static piece of web content, and then in a second step, you’ll publish it. In five or ten minutes, you’ll already have a good idea how content creation works in Liferay DXP. What’s stopping you?